h1{text-align: center;}
table{
	width: 600px;
	border: 1px solid #000000;
	text-align:center;
	margin: 0 auto;
}
th,td{
	padding: 5px;
	border: 1px solid #000000;
}
.button{
	width: 280px;
	margin: 0 2px;
}